12310401222 has 60 divisors (see below), whose sum is σ = 32088016620. Its totient is φ = 3517255224.

The previous prime is 12310401203. The next prime is 12310401247. The reversal of 12310401222 is 22210401321.

It is a happy number.

12310401222 is a `hidden beast` number, since 12 + 31 + 0 + 401 + 222 = 666.

12310401222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12310401195 and 12310401204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 767472 + ... + 783347.

It is an arithmetic number, because the mean of its divisors is an integer number (534800277).

Almost surely, 2^12310401222 is an apocalyptic number.

12310401222 is an abundant number, since it is smaller than the sum of its proper divisors (19777615398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310401222 is a wasteful number, since it uses less digits than its factorization.

12310401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550847 (or 1550831 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12310401222 its reverse (22210401321), we get a palindrome (34520802543).

Subtracting 12310401222 from its reverse (22210401321), we obtain a palindrome (9900000099).

The spelling of 12310401222 in words is "twelve billion, three hundred ten million, four hundred one thousand, two hundred twenty-two".